Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.01965E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:57:18+0800
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    1 Object 1

    AOE ID 52641
    NORAD ID 52641
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65182
    NORAD ID 65182
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3991 STARLINK-34944
    Time of Closest Approach 2026-09-04T09:46:36+0000
    Collision Probability (Pc) 1.01965E-6
    Conjunction Distance (km) 2.83 km
    Relative Speed (km/s) 8.059 km/s
    Conjunction Risk Parameters R (Radial): -2.828 | I (In-track): 0.053 | C (Cross-track): -0.029
    Collision Risk Index (CRI) 0.35
    X Position (km) 2785.962 2784.851
    Position Y (km) -4248.061 -4246.322
    Position Z (km) 4583.985 4582.049
    Velocity X (km/s) 6.813 1.678
    Velocity Y (km/s) 0.857 -4.936
    Velocity Z (km/s) -3.337 -5.578

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3991 STARLINK-34944
    Semimajor Axis (a) 6848.858 km 6843.671 km
    Eccentricity (e) 0.000127 0.000149
    Inclination (i) 53.1596° 97.2849°
    RAAN 172.0099° 115.4472°
    Perigee Argument 88.9374° 82.8358°
    Mean Anomaly (M) 271.1772° 277.3054°
    Apogee 471.589 km 466.553 km
    Perigee 469.853 km 464.515 km
    Orbit Epoch 2026-09-03T01:55:18+0000 2026-09-03T04:59:23+0000

    STARLINK-3991 & STARLINK-34944 Collision Probability (Pc) Trend

    STARLINK-3991 & STARLINK-34944 Collision Probability (Pc) TrendNot Available

    STARLINK-3991 & STARLINK-34944 Miss Distance (Miss Distance) Trend

    STARLINK-3991 & STARLINK-34944 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3991Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34944Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3991Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34944Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3991

    No nearby objects data